{"ScriptPreparationCode":"var indexes = [];\r\nvar array = [];\r\nvar object = {};\r\nfor (let i = 0; i \u003C 10; i\u002B\u002B) {\r\n const index = Math.floor (Math.random () * 10000);\r\n array[index] = 1;\r\n object[index] = 1;\r\n indexes.push (index);\r\n}","TestCases":[{"Name":"Array","Code":"let sum = 0;\r\nfor (let i = indexes.length - 1 ; i \u003E= 0 ; i--) {\r\n\tconst index = indexes[i];\t\r\n\tsum \u002B= array[index];\r\n}","IsDeferred":false},{"Name":"Object","Code":"let sum = 0;\r\nfor (let i = indexes.length - 1 ; i \u003E= 0 ; i--) {\r\n\tconst index = indexes[i];\t\r\n\tsum \u002B= object[index];\r\n}","IsDeferred":false}]}